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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 1 — Jan. 1, 2002
  • pp: 209–217

Spectral characterization of acousto-optic filters used in imaging spectroscopy

Georgi Georgiev, David A. Glenar, and John J. Hillman  »View Author Affiliations


Applied Optics, Vol. 41, Issue 1, pp. 209-217 (2002)
http://dx.doi.org/10.1364/AO.41.000209


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Abstract

The purpose of this investigation is to improve the study of the characteristics of noncollinear acousto-optic tunable filters (AOTFs) used in imaging spectroscopy. Three filters were characterized and the results compared with tuning models to verify that device operation can be reliably predicted in advance. All these devices use tellurium dioxide as the interaction medium and have large geometric apertures for spectroscopic imaging applications in the spectral range 0.5–3.5 µm. The device characteristics that we studied were compared with the results of AOTF models, and the spectral and angular dependence of acoustic frequency and bandpass width for both output polarization states were confirmed by measurements. One of the AOTFs was used as a dispersive element coupled to external imaging optics. We summarize measurements of the basic spectral and imaging characteristics in this configuration.

© 2002 Optical Society of America

OCIS Codes
(110.2960) Imaging systems : Image analysis
(230.1040) Optical devices : Acousto-optical devices
(300.6190) Spectroscopy : Spectrometers

History
Original Manuscript: June 18, 2001
Revised Manuscript: August 31, 2001
Published: January 1, 2002

Citation
Georgi Georgiev, David A. Glenar, and John J. Hillman, "Spectral characterization of acousto-optic filters used in imaging spectroscopy," Appl. Opt. 41, 209-217 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-1-209

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